michael@0: function run_test() {
michael@0:   var Cc = Components.classes;
michael@0:   var Ci = Components.interfaces;
michael@0:   var sp = Cc["@mozilla.org/systemprincipal;1"].
michael@0:            createInstance(Ci.nsIPrincipal);
michael@0:   var s = Components.utils.Sandbox(sp);
michael@0:   s.a = [];
michael@0:   s.Cu = Components.utils;
michael@0:   s.C = Components;
michael@0:   s.do_check_neq = do_check_neq;
michael@0:   Components.utils.evalInSandbox("do_check_neq(Cu.import, undefined);", s);
michael@0: }